Share-based Incentive Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

The following table summarizes share-based compensation expense, which includes expenses related to awards granted under the Omnibus Plans and Director Plan for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Restricted Stock Unit (RSU) awards	$	9	$	10	$	36	$	37
Performance Stock Unit (PSU) awards	7		9		32		34
Stock options	1		2		4		6
Total share-based compensation expense	17		21		72		77
Income tax benefit	3		4		26		24
After-tax share-based compensation expense	$	14	$	17	$	46	$	53

Schedule of Share-based Compensation, Activity

The following table summarizes RSU and PSU awards activity under the Omnibus Plans and the Director Plan for the period indicated:

	RSU Awards				PSU Awards
(awards in millions)	Number of Awards		Weighted Average Grant Date Fair Value		Number of Awards	Weighted Average Grant Date Fair Value
Outstanding as of January 1, 2020	1.9		$	48.55	2.2	$	48.85
Adjustment for PSU performance factor	—		—		0.4	42.27
Granted	0.7		62.75		0.7	61.86
Vested	(1.0)		47.34		(1.2)	42.41
Forfeited	—	*	53.81		(0.1)	53.82
Outstanding as of September 30, 2020	1.6		$	55.69	2.0	$	55.47

* Less than 0.1

Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes the number of options under the Omnibus Plans for the periods indicated:

	Stock Options
(awards in millions)	Number of Awards		Weighted Average Exercise Price
Outstanding as of January 1, 2020	2.9		$	41.93
Granted	—		—
Exercised	(0.1)		37.60
Forfeited	—	*	50.30
Outstanding as of September 30, 2020	2.8		$	42.08
Vested, exercisable, as of September 30, 2020	2.1		$	40.41

* Less than 0.1